Select from various manifold cap sizes to fit your laboratory and industrial solvent waste containers. Drum caps fit on 2" bung opening (fine or coarse thread) and come with PP drum thread adapter. Caps are available with polypropylene (PP) or PTFE manifolds and 4 or 10 variously sized ports. Ports accept male thread adapters to connect flexible and rigid tubing, or filter 12019-79 or filter/indicator 12019-80.